The book presents a practical guide to using a small astronomical telescope of a size that corresponds to most "first" telescopes - around 75 to 150 mm, i.e. 3 to 6 inches, in diameter. The book is intended for people who are sufficiently interested in astronomy to have purchased a small telescope or received one as a gift, but who are still developing experience of using one. They may have looked at the Moon and major planets and be wondering,...